关于利用离散余弦变换DCT的jpeg压缩的matlab源程序，简单实用，也有注释，很好读。-on the use of discrete cosine transform DCT jpeg compression Matlab source, simple and practical, the Notes have a good time.

DCT图像压缩算法。1.图象进行归一化 2.显示系数图象 3.重构及显示图象 4.显示误差图象 5.计算归一化图象的均方误差 -DCT image compression algorithm. 1. Images were normalized 2. Shows coefficient image 3. Reconstruction and display of images 4. Show the error images 5. Calculated normalized mean squar

基于matlab的DCT变换做的图像压缩处理，一些简单的处理-The DCT-based matlab to do image compression, some simple processing